CN106255564A - Coupling mechanism for cutting element - Google Patents
Coupling mechanism for cutting element Download PDFInfo
- Publication number
- CN106255564A CN106255564A CN201580023534.9A CN201580023534A CN106255564A CN 106255564 A CN106255564 A CN 106255564A CN 201580023534 A CN201580023534 A CN 201580023534A CN 106255564 A CN106255564 A CN 106255564A
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- CN
- China
- Prior art keywords
- peripheral surface
- thread portion
- shank
- pitch
- longitudinal axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/11—Retention by threaded connection
- B23B31/1107—Retention by threaded connection for conical parts
- B23B31/1115—Retention by threaded connection for conical parts using conical threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/02—Connections between the shanks and detachable cutting heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/03—Cutting heads comprised of different material than the shank irrespective of whether the head is detachable from the shank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2240/00—Details of connections of tools or workpieces
- B23C2240/32—Connections using screw threads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A kind of rotary cutting tool includes the roughly cylindrical cutter around centrally disposed longitudinal axis.Described cutter has the first end and the second relative end, and described first end has useful effect part with groove, and described second end has the male thread portion being arranged on around himself.Described cutting element also includes the roughly cylindrical shank being arranged on around described central longitudinal axis, and described shank has the depression female thread portion being formed in the first end.Described male thread portion includes the multiple screw threads arranged with the first pitch, and described female thread portion includes being different from multiple screw threads that the second pitch of described first pitch is arranged.Described cutter and described shank are optionally coupled by described male thread portion and being threadedly engaged of described female thread portion.
Description
The cross reference of related application
This application claims U.S. Patent Application Serial Number No.14/273,456 submitted on May 8th, 2014 priority and
Rights and interests, this U.S. Patent application is entitled " the COUPLING MECHANISM FOR of requirement submission on July 25th, 2013
CUTTING TOOL " U.S. Patent Application Serial Number No.13/950,407 preferential of (for the coupling mechanism of cutting element)
The part continuation application of power rights and interests, these two U.S. Patent applications are incorporated by reference herein.
Technical field
The present invention relates to the coupling mechanism being used together with rotary cutting tool, more particularly, relate to including that this type of joins
The rotary cutting tool of connection mechanism.
Background technology
Traditionally, the end mill(ing) cutter for metal cutting machinery is produced as individual unit, and it includes cutting portion with groove
Point and the cylinder of the main shaft that is sized for putting together machines or the handle portions of cone.But, complete along with modern tool alloy
The development that ball price is continuously increased and complex surface processes in recent years, the economy of this individual unit constantly reduces,
Because the shank material of costliness is generally wasted.Therefore, it is common practice to produce by high-quality alloy or sintered-carbide
The independent cutter made, is then attached to the end of reusable steel shank with one heart by this cutter.
It is desirable for can easy replacement abrasion after cutter, shank is stayed in machine shaft simultaneously so that
Without adjusting further after replacing cutter.The major requirement relevant to this type of accurate milling application is, each replacement is cut
Device can repeat accurately and the most axially to position centered by true main shaft rotation axis.
It is currently used in a kind of basic skills that cutter is attached to shank at such as U.S. Patent application No.5,114,
Disclosed in 286, this U.S. Patent application proposes a kind of eschangeable cutting tools for alignment and alignment system, and it includes having convex
First instrument sections of coupling and the second instrument sections with recessed coupling.Convex coupling includes: join in the first cylinder
Close the guider of format surface；The concentric aligner in the second cylindrical matching surface form separated with guider；Guiding
The external screw thread extended between device and concentric aligner；And the axial stop part in plane surface form.Recessed coupling includes: with
The pilot hole in complementary cylindrical matching surface form that the cylindrical matching surface of guider is corresponding；With concentric aligner
The concentric holes in complementary cylindrical matching surface form that cylindrical matching surface is corresponding；Prolong between pilot hole and concentric holes
The female thread stretched；Axial stop part in complementary flat format surface.
Described guider, concentric aligner, pilot hole and concentric holes are required, because threaded couplings itself is for this
Sample is the most accurate for repeatedly replacing cutter.
It is also known that above basic conception is made further improvement.Such as, U.S. Patent application No.6,485,
220 disclose a kind of radially aligned part of conical butt replacing cylindrical aligning members and the thread root reinforced, and beautiful
State patent application No.7,329,073 describes adjacent axially and radially stop surface.
But, all the most restrictive production requirements of above-mentioned solution.It is sufficient for replaceable cutter to repeat to fall
Enter the typical production of cylindrical matching surface on the cutter of required this demand with one heart and in the range of axial location and shank
Tolerance is less than 5 microns.This type of close tolerance needs other grinding process.
Additionally, sintered-carbide cutter is substantially extremely hard and extremely brittle.Hard cutter is directly coupled to steel
The coupling part that this process of matter shank engages at both different materials applies stress.More particularly, carbide is being cut
Cut in the case of device is screwed into steel shank threadably, it is possible at the base portion of the threaded portion of carbide cutter or attached
Near occur connecting fault, and this most also makes steel shank impaired, so that it can not be suitable for reusing.
Therefore, the coupling mechanism being used together with rotary cutting tool and the rotary cutting work including this type of coupling mechanism
Tool still has room for improvement.
Summary of the invention
As one aspect of the present invention, it is provided that a kind of rotary cutting tool.This rotary cutting tool includes being arranged on
Roughly cylindrical cutter around central longitudinal axis.Cutter includes the first end and the second relative end, the first end
Having useful effect part with groove, the second end has the male thread portion being arranged on around himself.This rotary cutting work
The roughly cylindrical shank that tool also includes around centrally disposed longitudinal axis, this shank has and is formed in the first end
Depression female thread portion.Male thread portion includes the multiple screw threads arranged with the first pitch, and female thread portion includes with not
It is same as multiple screw threads that the second pitch of the first pitch is arranged.Cutter and shank are by male thread portion and female thread portion
It is threadedly engaged and optionally couples.
First pitch is smaller than the second pitch.
First pitch about 0.005mm little than the second pitch.
Difference between first pitch and the second pitch can be in the range of about 0.002mm to about 0.010mm.
Cutter can be formed by carbide material, and shank can be formed by tool steel.
Cutter can include the peripheral surface faced out extending certain distance along central longitudinal axis, this week faced out
To surface configuration between useful effect part with groove and male thread portion, shank can include extending along central longitudinal axis
Certain distance towards interior peripheral surface, should towards interior peripheral surface between female thread portion and the first end of shank,
And when male thread portion and female thread portion are threadably engaged, the peripheral surface faced out can be set to towards interior
Peripheral surface adjacent and towards towards interior peripheral surface.
The peripheral surface that faces out substantially can become, in relative to central longitudinal axis, the truncated cones that the first angle arranges
A part of form, and can be substantially in the truncation becoming the second angle setting relative to central longitudinal axis towards interior peripheral surface
A part of form of circular cone.
First angle can be in the range of about 1 ° to about 7 °.
Second angle can be in the range of about 1 ° to about 7 °.
The peripheral surface faced out can be generally parallel in the cylindrical surface of central longitudinal axis setting, and towards interior
Peripheral surface can generally parallel in central longitudinal axis arrange cylindrical surface.
Cutter can include the peripheral surface faced out extending certain distance along central longitudinal axis, this week faced out
Being adjacent with male thread portion and relative with useful effect part with groove to surface configuration, shank can include along center longitudinally
Axis extend certain distance towards interior peripheral surface, should towards interior peripheral surface be arranged on the first end opposite of shank with
Female thread portion is adjacent, and when male thread portion and female thread portion are threadably engaged, the peripheral surface faced out
Can be set to adjacent with towards interior peripheral surface and towards towards interior peripheral surface.
The peripheral surface faced out may be configured as becoming the angle in the range of 0 ° to about 6 ° relative to central longitudinal axis.
May be configured as in 0 ° to about 2 ° angular range of the peripheral surface faced out towards interior peripheral surface.
Cutter can include extending the first peripheral surface faced out of certain distance and along center along central longitudinal axis
Longitudinal axis extends the second peripheral surface faced out of certain distance, and the first peripheral surface faced out is arranged on groove
Between useful effect part and male thread portion, the second peripheral surface faced out be set to adjacent with male thread portion and with band
The useful effect part of groove is relative, and shank can include extending the first of certain distance towards interior circumference along central longitudinal axis
Surface and along central longitudinal axis extend certain distance second towards interior peripheral surface, first exists towards interior peripheral surface
Between female thread portion and the first end of shank, second is arranged on the first end opposite of shank and interior spiral shell towards interior peripheral surface
Stricture of vagina part is adjacent, and when male thread portion and female thread portion are threadably engaged, the first peripheral surface faced out
Can be set to adjacent towards interior peripheral surface with first and towards first towards interior peripheral surface, and work as male thread portion
When being threadably engaged with female thread portion, the second peripheral surface faced out can be set to second towards interior circumferential table
Face is adjacent and towards second towards interior peripheral surface.
As another aspect of the present invention, it is provided that a kind of rotary cutting tool.This rotary cutting tool includes: be arranged on
Roughly cylindrical cutter around central longitudinal axis, this cutter has the first end and a second relative end, and first
End has useful effect part with groove, and the second end has the male thread portion being arranged on around himself；And be arranged on
Roughly cylindrical shank around central longitudinal axis, this shank has the depression internal thread part being formed in the first end
Point.Male thread portion include with the first pitch and become first cone angle arrange multiple screw threads, female thread portion includes with the second spiral shell
Away from and become to be different from multiple screw threads that the second cone angle of the first cone angle is arranged, and cutter and shank by male thread portion and
Being threadedly engaged of female thread portion optionally couples.
First cone angle is smaller than the second cone angle.
First pitch can be equal to the second pitch, or the first pitch is smaller than the second pitch.
Accompanying drawing explanation
With reference to property accompanying drawing illustrated below and combine some non-limiting embodiments and describe idea of the invention, in order to can be more
It is apparent from the present invention.
With detailed reference to concrete accompanying drawing, it is emphasized that, shown particular content is only the most also
For the purpose of exemplary discussion the preferred embodiments of the present invention, and it is to provide for being considered the principle to the present invention with general
Read that aspect is most useful and the description that is most easily understood by and present.In this regard, except in needed for the basic comprehension present invention
Outside appearance, do not attempt showing in more detail the CONSTRUCTED SPECIFICATION of the present invention, wherein combine the description that accompanying drawing carries out and make this area
Technical staff is clear how to embody in practice the various ways of the present invention.
Fig. 1 shows the isometric views of the exemplary embodiment of the modularity rotary cutting tool according to the present invention.
Figure 1B shows the side view of the modularity cutting element of Fig. 1, and wherein handle portions is illustrated in cross-section.
Fig. 2 shows the exploded isometric view of the modularity cutting element of Fig. 1.
Fig. 3 shows the decomposition side view of the modularity cutting element of Fig. 1, and wherein handle portions is illustrated in cross-section, with
Interior details is just shown.
Fig. 4 shows the detailed side view of the cutter part of the rotary cutting tool of Fig. 1.
Fig. 5 shows the detailed section view of a part for the handle portions of the rotary cutting tool of Fig. 1.
Fig. 6 shows the side view of the another exemplary embodiment of the coupling mechanism according to the present invention, wherein this jack connection
Structure part is illustrated in cross-section, in order to illustrate interior details.
Fig. 7 shows the decomposition side view of the another exemplary embodiment of the modularity cutting element according to the present invention, its
Middle handle portions is illustrated in cross-section, in order to illustrate interior details.
In the accompanying drawings, equal parts is provided with same reference numbers.
Detailed description of the invention
As used herein, term " number " should refer to any non-zero quantity (that is, the one or any quantity being more than one).
As used herein, term " optionally couples " should refer to that two or more parts are can optionally untie
(that is, depart from) and do not damage the mode of either component and couple or combine.
As used herein, term " pitch " should refer to the adjacent thread in same axial plane and on the same side of axis
Distance between pro forma corresponding point, its central axis being parallel to screw member is measured.
Fig. 1 to Fig. 5 shows around the centrally disposed longitudinal axis A of the first exemplary embodiment according to the present invention
Modularity rotary cutting tool 10.Cutting element 10 includes reusable shank 12 and interchangeable cutter 14, and these are two years old
Person is optionally coupled by the coupling mechanism (unnumbered) formed by the mating part of each in shank 12 and cutter 14
Together, this will be discussed in detail below.In the exemplary embodiment shown in Fig. 1 to Fig. 5, cutter 14 is in by carbide
The end mill(ing) cutter form that material is formed, it is to be understood that, in the case of without departing substantially from the scope of the present invention, it is possible to use by carbide
The another kind of rotary cutting tool that material or one or more other suitable materials are formed is (such as, but not limited to face cutter, circle
Head cutter, cutting cutter, drill bit, reamer, or for milling, bore dig, ream or other metal cuttings application any its
His interchangeable cutter head).Shank 12 can by be shaped generally as in cylindrical and have the steel of part that is slightly stepped, carbide or
Other suitable materials are formed, it is to be understood that, in the case of without departing substantially from the scope of the present invention, it is possible to use other are transversal
Face, shape and material.It is also understood that shank 12 is formed as substantially solid component, embodiment as shown in Figures 1 to 5
Shown in, or one or more inner passage can be included, coolant and/or lubricant stream can be provided by this inner passage to be cut
Cut device 14.
With continued reference to Fig. 1, the expose portion of cutter 14 (when being arranged in shank 12) can include with groove having
Effect effect part 16 with and subsequent relatively short cylindrical section 18, this useful effect part with groove is structured for work
Part (not shown) performs cutting operation.It is relative that cylindrical part 18 is preferably equipped with at least two formed therein/thereon
Parallel plane 20 (only one is visible in FIG), standard spanner wrench (not shown) is installed by engageable being used on this plane
Cutter 14 or cutter is removed, as further discussed hereinafter from shank 12.
The decomposition view of Fig. 2 and Fig. 3 and the detailed view of Fig. 4 and Fig. 5 show that shank 12 and cutter 14 are formed and cut
Cut the details of the part of coupling mechanism between device 14 and shank 12.More particularly, as a part for cutter 14, couple
Mechanism includes: male thread portion 22 outwardly, and it extends on useful effect part 16 opposite with groove；Radially aligned device
Part 28, itself and longitudinal axis A are arranged concentrically and are relatively extending between short cylindrical section 18 and threaded portion 22；And it is flat
Smooth axial stop shoulder 30, its bridge joint less radially aligned device 28 and the relatively short cylindrical section 18 being relatively large in diameter of diameter it
Between radial gap.Shown in as directed exemplary embodiment, shoulder 30 may be configured as A perpendicularly to the longitudinal axis.Real at other
Executing in example, shoulder 30 can be slightly slanted (at most +/-3 °) relative to the reference that A perpendicularly to the longitudinal axis draws.
As a part for shank 12, coupling mechanism also includes: substantially smooth alignment hole 24, and it is set to and longitudinal axis
Line A is concentric；Internal thread hole 32, it extends from alignment hole 24；And axial stop surface 34, it is arranged on shank 12 adjacent alignment
The end vertical in hole 24 is in longitudinal axis A.
The detailed view of cutter 14 with reference to shown in Fig. 4, radially aligned device part 28 is generally formed into the one of truncated cones
Part and include the peripheral surface 29 faced out, this peripheral surface is arranged to be at an angle of δ relative to longitudinal axis A1.At this
In the exemplary embodiment of invention, angle δ1Substantially in the range of about 1 ° to about 7 °.Or, radially aligned device part 28 can be big
Cause in cylindrical (that is, δ1=0 degree).In general, when cutter 14 couples with steel shank, truncated cones is considered as excellent
Choosing, and when cutter 14 couples with carbide shank, cylinder is considered as preferred.
The detailed section view of the end of shank 12 with reference to shown in Fig. 5, alignment hole 24 is to correspond roughly to aligner part 28
Shape formed.In general, the diameter of aligner part 28 may be slightly larger than (being preferred for steel shank) or is equal to
The diameter in (being preferred for carbide shank) alignment hole 24.
Owing to alignment hole 24 is formed with the shape corresponding roughly to aligner part 28, so in the embodiment shown, right
Quasi-hole 24 is also generally formed into a part for truncated cones and includes that, towards interior peripheral surface 25, this peripheral surface is set to
It is at an angle of δ relative to longitudinal axis A2.Due to shank 12 towards interior peripheral surface 25 typically with the facing out of cutter 14
Peripheral surface 29 coordinate, so in an exemplary embodiment of the present invention, angle δ2Substantially in the range of about 0 ° to about 7 °,
It is specifically dependent upon the angle δ of the peripheral surface 29 faced out1。
With reference to Fig. 4 and Fig. 5, the threaded portion 22 of cutter 14 includes multiple screw thread 22a, preferably at least 4 (but also can adopt
Use other quantity), these screw threads are with the first pitch P1It is arranged on around longitudinal axis A, and screwed hole 32 includes at least corresponding
The female thread 32a of quantity, these female threads are to be different from P1The second pitch P2It is arranged on around longitudinal axis A.At Fig. 1 to Fig. 5
In shown exemplary embodiment, the second pitch P2Ratio the first pitch P1About 0.005mm.By the screwed hole 34 at shank 12
The bigger pitch P of middle use2And thus in cutter 14, use relatively fine pitch P1, roughly the same with wherein utilizing pitch joins
The embodiment closing screw thread is compared, and when coupling with shank 12, on the threaded portion 22 of cutter 14, the stress of gained is more uniformly
It is dispersed among screw thread 22a.In an exemplary embodiment of the present invention, adopt between the respective threaded of shank 12 and cutter 14
Pitch with about 0.002mm to 0.010mm.Compared with embodiments of the invention, utilizing the roughly the same cooperation spiral shell of pitch
In the case of stricture of vagina, owing to carbide or steel cutter 14 are the most nonelastic, so stress is generally concentrated near the most only
At the screw thread in shoulder block portion 30.By stress being spreaded more evenly across among the screw thread 22a of threaded portion 22, the embodiment of the present invention
Higher load is allowed to be applied to coupling part and occur without fault.
The assembling of modularity cutter assembly 10 is carried out in the following manner: by threaded portion 22 and the handle of cutter 14
The screwed hole 32 in portion 12 engages, subsequently the one or both in rotating sharpener 14 and/or shank 12, until the footpath of cutter 14
Rest upon in the alignment hole 24 of shank 12 to aligner part 28 and the axial stop shoulder 30 of cutter 14 adjoins shank 12
Axial stop surface 34.Cutter 14 derives from stop shoulder 30 and the shank of cutter 14 relative to the axial location of shank 12
The directly contact on the axial stop surface 34 of 12.After stop shoulder 30 engages with stop surface 34, torque limit is preferably used
Spanner fastens connection further so that it is reaches specified moment of torsion, thus avoids cutter 14 excessive tensile.
Fig. 6 shows that the shank 12'(of modularity cutting element 10' is illustrated in cross-section) and cutter 14' between connection
The detailed view of another embodiment of connection mechanism.Cutting element 10' can be in outside similar with previously described cutting element 10
See, and cutter 14' and shank 12' interacts in the way of similar with cutter 14 and shank 12, except for the difference that cuts
Instrument 10' includes the second radially aligned device part 40, and it is arranged on radially aligned device part 28 opposite adjacent to threaded portion 22.When
When cutter 14' couples with shank 12', all as shown in Figure 6, the peripheral surface faced out of the second radially aligned device part 40
(unnumbered) engage second alignment hole 42 towards interior peripheral surface (unnumbered), this second alignment hole first be directed at hole 24
Opposite is formed in shank 12' adjacent to screwed hole 32.In an exemplary embodiment of the present invention, radially aligned device part 40 has
The diameter roughly the same or more smaller than it with the diameter in the second alignment hole 42.It addition, the surface of the second radially aligned device part 40
(unnumbered) may be configured as becoming the angle in the range of 0 ° to about 6 ° relative to central longitudinal axis A, and the table in the second alignment hole 42
Face (unnumbered) can be set to equal angular or in 1 ° to the 2 ° angular range on the surface of the second radially aligned device part 40.Though
Embodiment shown in so also includes the second radially aligned device part 40 in addition to including radially aligned device part 28, but it should reason
Solving, embodiments of the invention can only include the second radially aligned device part 40, and does not include radially aligned device part 28.
Fig. 7 shows the decomposition side view of the another exemplary embodiment of the modularity cutting element 50 according to the present invention,
This modularity cutting element includes shank 52 and the cutter 54 coupled by another coupling mechanism according to the present invention.Shank 52
With cutter 54 can in previously described shank 12,12' and cutter 14, the structure that 14' is substantially similar, and include respectively
Internal thread hole 58 (including female thread 58a, 58b) and male thread portion 60 (including external screw thread 60a, 60b).But, it is different from elder generation
The embodiment of front discussion is (wherein when male thread portion and female thread portion being the most tightly linked together, sharp
By the different pitch in both parts, stress is more equally distributed in whole screw thread), the embodiment shown in Fig. 7 is by making
Male thread portion is oriented relative to one another to different angles orientation and obtains similar result with female thread portion.Such as, shown in Fig. 7
In embodiment, screw thread 60a, 60b of male thread portion 60 become the first cone anglec(arrange relative to being parallel to central longitudinal axis A
Reference measure) arrange, and screw thread 58a, 58b of internal thread hole 58 become the second cone angles(relative to being parallel to center longitudinal axis
The reference measure that line A is arranged) arrange.More particularly, by becoming the first cone angle more than external screw thread 60a, 60bcSecond cone
Angle αsFemale thread 58a, 58b are set, even if in pitch PsAnd PcBe externally threaded as well time identical part 60 and female thread portion 58 it
Between be similar to use as discussed previously the spatial relationship that different pitch formed.Should be appreciated that, as using, there is identical pitch
The alternative of part, this type of embodiment can also be without same pitch PsAnd PcUse.
Although in specific embodiment as herein described, shank is provided with the spiral shell for engaging the complementary external screw thread on cutter
Pit, but reverse situation is also possible, and wherein shank is provided with prominent male thread portion, and cutter is provided with internal whorl
Hole.
It will be apparent to those skilled in the art that without departing from the spirit of the present invention and the situation of essential attribute
Under, the invention is not restricted to the details of embodiment shown above, and the present invention can embody in other specific forms.Therefore, this
Bright embodiment will be considered exemplary and non-limiting in every respect, the scope of the present invention by claims rather than more than
Description indicates, therefore being changed in the implication of the equivalent of claim and scope is intended to wherein.
Claims (18)
1. a rotary cutting tool, including:
Roughly cylindrical cutter around centrally disposed longitudinal axis, described cutter has the first end with relative
Second end, described first end has useful effect part with groove, and described second end has the outer spiral shell being arranged on around self
Stricture of vagina part；And
The roughly cylindrical shank being arranged on around described central longitudinal axis, described shank has and is formed in the first end
Depression female thread portion,
Wherein said male thread portion includes the multiple screw threads arranged with the first pitch, and described female thread portion includes with not
It is same as multiple screw threads that the second pitch of described first pitch is arranged, and
Wherein said cutter and described shank are threadedly engaged selection by described male thread portion and described female thread portion
Property ground couple.
Rotary cutting tool the most according to claim 1, wherein said first pitch is less than described second pitch.
Rotary cutting tool the most according to claim 2, the second pitch described in wherein said first pitch ratio is little about
0.005mm。
Rotary cutting tool the most according to claim 1, the difference between wherein said first pitch and described second pitch
Value is in the range of about 0.002mm to about 0.010mm.
Rotary cutting tool the most according to claim 1, wherein said cutter is formed by carbide material, and wherein
Described shank is formed by tool steel.
Rotary cutting tool the most according to claim 1, wherein:
Described cutter include along described central longitudinal axis extend certain distance the peripheral surface faced out, described in face out
Peripheral surface be arranged between described useful effect part with groove and described male thread portion；
Described shank include along described central longitudinal axis extend certain distance towards interior peripheral surface, described towards interior
Peripheral surface is between described female thread portion and described first end of described shank；And
When described male thread portion and described female thread portion are threadably engaged, described in the peripheral surface that faces out arrange
Become adjacent towards interior peripheral surface with described and towards described towards interior peripheral surface.
Rotary cutting tool the most according to claim 6, the wherein said peripheral surface faced out is substantially in relative to institute
State a part of form of the truncated cones that central longitudinal axis becomes the first angle to arrange, and wherein said towards interior circumferential table
Face is substantially in a part of form of the truncated cones becoming the second angle setting relative to described central longitudinal axis.
Rotary cutting tool the most according to claim 7, wherein said first angle is in the range of about 1 ° to about 7 °.
Rotary cutting tool the most according to claim 8, wherein said second angle is in the range of about 1 ° to about 7 °.
Rotary cutting tool the most according to claim 6, the wherein said peripheral surface faced out is generally parallel in institute
State the cylindrical surface that central longitudinal axis is arranged, and described generally parallel vertical in described center towards interior peripheral surface
The cylindrical surface arranged to axis.
11. rotary cutting tools according to claim 1, wherein:
Described cutter include along described central longitudinal axis extend certain distance the peripheral surface faced out, described in face out
Peripheral surface be arranged to adjacent with described male thread portion and relative with described useful effect part with groove；
Described shank include along described central longitudinal axis extend certain distance towards interior peripheral surface, described towards interior
Peripheral surface is adjacent with described female thread portion on the described first end opposite of described shank；And
When described male thread portion and described female thread portion are threadably engaged, described in the peripheral surface that faces out arrange
Become adjacent towards interior peripheral surface with described and towards described towards interior peripheral surface.
12. rotary cutting tools according to claim 11, the wherein said peripheral surface faced out is arranged with respect to
Described central longitudinal axis becomes the angle in the range of 0 ° to about 6 °.
13. rotary cutting tools according to claim 12, wherein said be arranged in towards interior peripheral surface described
0 ° of the peripheral surface faced out is in about 2 ° of angular ranges.
14. rotary cutting tools according to claim 1, wherein:
Described cutter includes extending the first peripheral surface faced out of certain distance and along institute along described central longitudinal axis
Stating central longitudinal axis and extend the second peripheral surface faced out of certain distance, the peripheral surface that described first faces out is arranged
Between described useful effect part with groove and described male thread portion, described second peripheral surface faced out is with described
Male thread portion is adjacent and relative with described useful effect part with groove；
Described shank include along described central longitudinal axis extend certain distance first towards interior peripheral surface with along described
Central longitudinal axis extend certain distance second towards interior peripheral surface, described first towards interior peripheral surface described
Between female thread portion and the described first end of described shank, described second towards interior peripheral surface in the institute of described shank
State the first end opposite adjacent with described female thread portion；
When described male thread portion and described female thread portion are threadably engaged, described first peripheral surface faced out
It is arranged to adjacent towards interior peripheral surface with described first and towards described first towards interior peripheral surface；And
When described male thread portion and described female thread portion are threadably engaged, described second peripheral surface faced out
It is arranged to adjacent towards interior peripheral surface with described second and towards described second towards interior peripheral surface.
15. 1 kinds of rotary cutting tools, including:
Roughly cylindrical cutter around centrally disposed longitudinal axis, described cutter has the first end with relative
Second end, described first end has useful effect part with groove, and described second end has the outer spiral shell being arranged on around self
Stricture of vagina part；And
The roughly cylindrical shank being arranged on around described central longitudinal axis, described shank has and is formed in the first end
Depression female thread portion,
Wherein said male thread portion include with the first pitch and become first cone angle arrange multiple screw threads,
Wherein said female thread portion includes that the second cone angle being different from described first cone angle with the second pitch one-tenth arranges many
Individual screw thread, and
Wherein said cutter and described shank are threadedly engaged selection by described male thread portion and described female thread portion
Property ground couple.
16. rotary cutting tools according to claim 15, wherein said first cone angle is less than described second cone angle.
17. rotary cutting tools according to claim 15, wherein said first pitch is equal to described second pitch.
18. rotary cutting tools according to claim 15, wherein said first pitch is less than described second pitch.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/273,456 US9643262B2 (en) | 2013-07-25 | 2014-05-08 | Coupling mechanism for cutting tool |
| US14/273,456 | 2014-05-08 | ||
| PCT/US2015/029408 WO2015171721A1 (en) | 2014-05-08 | 2015-05-06 | Coupling mechanism for cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106255564A true CN106255564A (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580023534.9A Pending CN106255564A (en) | 2014-05-08 | 2015-05-06 | Coupling mechanism for cutting element |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN106255564A (en) |
| DE (1) | DE112015002167T5 (en) |
| WO (1) | WO2015171721A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018119847A1 (en) * | 2016-12-29 | 2018-07-05 | 诠丰精密工具股份有限公司 | Threaded screwing engagement structure |
| CN108788265A (en) * | 2017-05-05 | 2018-11-13 | 张新添 | Disposable chamfering tool |
| CN110899808A (en) * | 2019-12-18 | 2020-03-24 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
| CN112264672A (en) * | 2020-10-16 | 2021-01-26 | 昆山长鹰硬质材料科技股份有限公司 | Numerical control cutter and manufacturing method thereof |
| CN114682861A (en) * | 2020-12-28 | 2022-07-01 | 通用汽车环球科技运作有限责任公司 | Hybrid threaded tool with cutting portion and rolling portion |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10105771B2 (en) * | 2016-03-21 | 2018-10-23 | Iscar, Ltd. | Rotary cutting tool having tool holder with conical internal thread and replaceable cutting head with straight external thread, and said tool holder |
| AT15846U1 (en) * | 2017-03-14 | 2018-07-15 | Ceratizit Austria Gmbh | Cutting tool for the rotational machining of a workpiece |
| US11478864B2 (en) | 2017-12-22 | 2022-10-25 | Makino Milling Machine Co., Ltd. | T-shaped tool and method for manufacturing T-shaped tool |
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| SE528299C2 (en) * | 2004-09-24 | 2006-10-17 | Seco Tools Ab | Cutting tip and cutting tool with holder part designed as truncated conical thread |
| IL203097A (en) * | 2009-12-31 | 2013-03-24 | Kennametal Inc | Coupler for a quick change insert rotary cutting tool |
| IL203798A (en) * | 2010-02-08 | 2013-03-24 | Iscar Ltd | Clamping mechanism |
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- 2015-05-06 WO PCT/US2015/029408 patent/WO2015171721A1/en active Application Filing
- 2015-05-06 DE DE112015002167.1T patent/DE112015002167T5/en active Pending
- 2015-05-06 CN CN201580023534.9A patent/CN106255564A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1329529A (en) * | 1998-12-22 | 2002-01-02 | 塞科机床公司 | Tool and cutting head for cutting machining |
| US20070248421A1 (en) * | 2006-04-20 | 2007-10-25 | Sandvik Intellectual Property Ab | Tool for chip removing machining as well as a part and threaded joint therefor |
| CN102458742A (en) * | 2009-06-11 | 2012-05-16 | Osg株式会社 | Machining head replacement type rotary tool, holder, and machining head |
| CN104220197A (en) * | 2012-01-20 | 2014-12-17 | 森拉天时奥地利有限公司 | Hard-material threaded connection |
| CN104384574A (en) * | 2014-10-27 | 2015-03-04 | 株洲钻石切削刀具股份有限公司 | Repeatedly-detachable rotary tool |
| CN104384575A (en) * | 2014-11-05 | 2015-03-04 | 株洲钻石切削刀具股份有限公司 | Split rotating cutter |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018119847A1 (en) * | 2016-12-29 | 2018-07-05 | 诠丰精密工具股份有限公司 | Threaded screwing engagement structure |
| CN108788265A (en) * | 2017-05-05 | 2018-11-13 | 张新添 | Disposable chamfering tool |
| CN110899808A (en) * | 2019-12-18 | 2020-03-24 | 株洲钻石切削刀具股份有限公司 | Cutting tool |
| CN112264672A (en) * | 2020-10-16 | 2021-01-26 | 昆山长鹰硬质材料科技股份有限公司 | Numerical control cutter and manufacturing method thereof |
| CN112264672B (en) * | 2020-10-16 | 2022-03-25 | 昆山长鹰硬质材料科技股份有限公司 | Numerical control cutter and manufacturing method thereof |
| CN114682861A (en) * | 2020-12-28 | 2022-07-01 | 通用汽车环球科技运作有限责任公司 | Hybrid threaded tool with cutting portion and rolling portion |
| CN114682861B (en) * | 2020-12-28 | 2023-12-01 | 通用汽车环球科技运作有限责任公司 | Hybrid thread tool with cutting and rolling portions |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015171721A1 (en) | 2015-11-12 |
| DE112015002167T5 (en) | 2017-01-26 |
| WO2015171721A8 (en) | 2016-06-02 |
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